122002111123 has 4 divisors (see below), whose sum is σ = 122004697048. Its totient is φ = 121999525200.

The previous prime is 122002111109. The next prime is 122002111129. The reversal of 122002111123 is 321111200221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321111200221 = 7 ⋅45873028603.

It is a cyclic number.

It is not a de Polignac number, because 122002111123 - 2⁹ = 122002110611 is a prime.

It is a super-2 number, since 2×122002111123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002111097 and 122002111106.

It is not an unprimeable number, because it can be changed into a prime (122002111129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220853 + ... + 1316998.

It is an arithmetic number, because the mean of its divisors is an integer number (30501174262).

Almost surely, 2^122002111123 is an apocalyptic number.

122002111123 is a deficient number, since it is larger than the sum of its proper divisors (2585925).

122002111123 is an equidigital number, since it uses as much as digits as its factorization.

122002111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585924.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122002111123 its reverse (321111200221), we get a palindrome (443113311344).

The spelling of 122002111123 in words is "one hundred twenty-two billion, two million, one hundred eleven thousand, one hundred twenty-three".